简单明了纯判断 题解

#include <bits/stdc++.h>
using namespace std;
int main(){
double a,b;
cin>>a>>b;
if(a>=50){
if(b>=30){
cout<<"1";
}else if(b>=15&&b<30){
cout<<"2";
}else if(b<15){
cout<<"3";
}
}else if(a<50){
cout<<"3";
}
}